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Peter Dutton chokes back tears in 2GB interview

Home Affairs Minister Peter Dutton has choked back tears after the father of one-punch victim Cole Miller called in to his 2GB radio interview to thank him for deporting a man involved in his son's death.

Taking calls on the Ray Hadley Morning Show, Mr Dutton became emotional when Steve Miller thanked him for deporting someone who was involved in Cole's death in January 2016.

The MP was so overcome by the caller that Hadley abruptly ended the interview with Mr Dutton.

Immigration Minister Peter Dutton was overcome by emotion by the caller. (2GB)

Mr Miller wanted to thank him for acting swiftly to deport Daniel Maxwell, who was sent back to New Zealand in August last year after he was handed an 18-month suspended sentenced over the one-punch death of his son.

Maxwell pleaded guilty to assault and affray over the attack that led to Cole's death.

The promising water polo player died from head injuries he suffered after a night out in Brisbane's Fortitude Valley in January 2016.

Daniel Maxwell was deported back to New Zealand on the day he was handed an a18-month suspended sentence over Cole Miller's death. (AAP)

He was struck in the head by another man named Armstrong Renata, who was with Maxwell when the attack occurued. Renata was sentenced to seven years jail in October last year.

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On the radio this morning, Mr Miller became emotional thanking Mr Dutton for his support.

Hundreds packed out the funeral for Cole Miller in 2016. (Supplied)

“I’d just like to thank Peter. An accomplice to my son’s death was sentenced to over 12 months jail… and there was a bit of a mix up at the courthouse and he was let to walk free," Mr Miller told the program.

“I got on to Peter Dutton’s office in Canberra, he was unavailable at the time and he rang me back at 4.30pm.

“He got onto the Queensland Police and Border Force immediately and that illegal immigrant was taken back into custody by 6.30pm that night and held for deportation to New Zealand.

Cole Miller was out on a night in Fortitude Valley when he was attacked by Renata Armstrong and Daniel Maxwell. (Supplied)

“I’d like to that Peter Dutton for that, he didn’t know me from a bar of soap. The guy’s a champion, he’s out there looking out for Australians and the Australian way of life.

“We just want him to know we were grateful for his immediate actions to help that day.”

Maxwell's deportation on the same day he was handed his suspended sentence was noted for how quick authorities were to act.